Home / 27,639.90-41,445.14-10,991.34

Finding the Fourth Proportional to 27,639.90, 41,445.14 and 10,991.34

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Solution

The fourth proportional to 27,639.90, 41,445.14 and 10,991.34 is: 16,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639.90 : 41,445.14 = 10,991.34 : x
  2. Step 2: Convert to fraction form
    27,639.90/41,445.14 = 10,991.34/x
  3. Step 3: Cross multiply
    27,639.90x = 41,445.14 × 10,991.34
  4. Step 4: Simplify right side
    27,639.90x = 455,537,570.13
  5. Step 5: Solve for x
    x = 455,537,570.13/27,639.90
  6. Step 6: Final answer
    x = 16,481.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.